Automatic web tying apparatus

Package making – Methods – Applying a partial cover

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Details

53441, 53138R, 53556, 53587, B65B 1104

Patent

active

042716578

ABSTRACT:
An apparatus and process for automatically making a spiral wrapped unitary package having a ring type or tied closure. In the apparatus a series of loads, each containing a plurality of units are fed one load at a time onto a turntable adjacent a material dispenser with the leading edge of the material from the dispenser being formed into a rope-like configuration by a roper mechanism and held by a clamp mechanism mounted on the turntable. The material is opened to its full web width, stretched and is spirally wrapped around the load at which time it is again formed into another rope-like configuration by the roper mechanism, and is positioned adjacent the leading edge where it is mechanically joined to the leading edge of the material by a ring type or tied closure. The roped material is then released from the clamp mechanism mounted on the turntable and the material is allowed to return to its memory position. The clamp mechanism again clamps the leading edge for the next load and the material is severed from the wrapped load.

REFERENCES:
patent: 3126686 (1964-03-01), Kobylanski
patent: 3587204 (1971-06-01), George
patent: 3986611 (1976-10-01), Dreher
patent: 4077179 (1978-03-01), Lancaster et al.
patent: 4136501 (1979-01-01), Connolly
patent: 4152879 (1979-05-01), Shulman
"The Digest"-Dec. 1977 by Infra-Pak. _

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